To convert a binary to ASCII yu can do this:
CONV: MOV B,#100
DIV AB
ADD A,#'0'
MOV CENT,A
MOV A,B
MOV B,#10
DIV AB
ADD A,#'0'
MOV tens,A
MOV A,B
ADD A,#'0'
MOV units,A
RET
If You want the binary values you must delete the lines "ADD A,#'0'"